/usr/share/perl5/perl5i/2/Signature/Function/None.pm is in libperl5i-perl 2.12.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | package perl5i::2::Signature::Function::None;
use strict;
use warnings;
use parent 'perl5i::2::Signature::None';
sub invocant { return '' }
sub is_method { return 0 }
1;
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